John Trevor de Carle

📍 Farnham, GB: #27 of 134 inventorsTop 25%

Overall (All Time): #1,264,251 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6685315	Bifocal lenses	—	2004-02-03
5798817	Bifocal contact lenses	—	1998-08-25
4890913	Zoned multi-focal contact lens	—	1990-01-02
4704016	Bifocal contact lenses	—	1987-11-03